Trap in SNAPrint when Stopping Logical Printer

• Microsoft SNA Server, version 3.0

SYMPTOMS

An access violation may occur when stopping a printer in SNA Server Manager. The following is the stack trace depicting the problem. The fault is in AIMLogStatusChange():

ChildEBP RetAddr  Args to Child
106afefc 01002ee8 008aabc8 01010200 60da1d10
snaprint!AIMLogStatusChange+0x10e (FPO: [EBP
0x00165dd8] [2,12,4])
106aff1c 60d87b36 008aabc8 01010200 00000000
snaprint!AIMStatusCallback+0x208 (FPO: [EBP
x60da1d10] [3,1,4])
106aff40 60d839b9 60213b0a 60da1c70 00343970 ppd3270!StopPPDDevice+0x176
(FPO: [EBP 0x000
0004] [1,1,4])
106aff58 60d86097 00000002 60da1c70 00000001 ppd3270!s3pcsctl+0x159 (FPO:
[EBP 0x60da1c70
 [1,0,4])
106aff70 60d8666b 00884828 00884828 60d99830 ppd3270!s3pddctl+0x287 (FPO:
[EBP 0x60da1c70
 [0,0,4])
106aff7c 60d99830 00030009 00000002 00000000 ppd3270!s3pdproc+0x18b (FPO:
[3,0,2])
106affa4 60d86b4e 106affec 00000000 77f1c4f7 ppd3270!s3psproc+0xb0 (FPO:
[0,4,2])
106affb8 77f04f32 60da1c70 00000000 77f1c4f7 ppd3270!s3pmain+0x10e (FPO:
[EBP 0x106affec]
[1,0,4])
106affec 00000000 60d86a40 60da1c70 00000000
KERNEL32!BaseThreadStart+0x51(FPO: [Non-Fpo] 

CAUSE

There is a timing window freeing up the printer's control block on session deactivation.

RESOLUTION

A fix is available to correct this problem. To resolve this problem, obtain the hotfix mentioned below.

STATUS

Microsoft has confirmed this to be a problem in SNA Server version 3.0. This problem was corrected in the latest Microsoft SNA Server 3.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Additional query words:

Keywords : kbnetwork prodsna kbbug3.00 kbfix3.00.sp1 snaprintservice
Version : WINDOWS:3.0
Platform : WINDOWS
Issue type : kbbug